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Finding the Fourth Proportional to 273.62, 377.71 and 180.20

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Solution

The fourth proportional to 273.62, 377.71 and 180.20 is: 248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.62 : 377.71 = 180.20 : x
  2. Step 2: Convert to fraction form
    273.62/377.71 = 180.20/x
  3. Step 3: Cross multiply
    273.62x = 377.71 × 180.20
  4. Step 4: Simplify right side
    273.62x = 68,064.10
  5. Step 5: Solve for x
    x = 68,064.10/273.62
  6. Step 6: Final answer
    x = 248.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.